Allow sync with 2-factor StrongAuth accounts in ChromeOS.

chrome/browser/chromeos/login/screen_locker.h

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_SCREEN_LOCKER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_SCREEN_LOCKER_H_
 #pragma once
 
 #include <string>
 
@@ skipping 33 matching lines @@
 class ScreenLocker : public LoginStatusConsumer,
                      public MessageBubbleDelegate,
                      public views::AcceleratorTarget {
  public:
   explicit ScreenLocker(const UserManager::User& user);
 
   // Initialize and show the screen locker.
   void Init();
 
   // LoginStatusConsumer implements:
+  virtual void SetLoginFailure(const chromeos::LoginFailure& error) {}
   virtual void OnLoginFailure(const chromeos::LoginFailure& error);
   virtual void OnLoginSuccess(const std::string& username,
                               const std::string& password,
                               const GaiaAuthConsumer::ClientLoginResult& result,
                               bool pending_requests);
 
   // Overridden from views::InfoBubbleDelegate.
   virtual void InfoBubbleClosing(InfoBubble* info_bubble,
                                  bool closed_by_escape);
   virtual bool CloseOnEscape() { return true; }
@@ skipping 123 matching lines @@
   base::Time start_time_;
   // The time when the authentication is started.
   base::Time authentication_start_time_;
 
   DISALLOW_COPY_AND_ASSIGN(ScreenLocker);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREEN_LOCKER_H_